FILE PICTURE © Licensed to London News Pictures. 21/09/2017. London, UK. A police forensics officer enters a house belonging to Sabrina Kouider and her partner Ouissem Medouni where police and the fire brigade attended and found the burnt body of their nanny Sophie Lionnet in the garden in Wimbledon, south London. Kouider and Medouni, who are both French nationals, deny murder but have admitted perverting the course of justice by burning the body. Photo credit: Peter Macdiarmid/LNP